872402071 has 2 divisors, whose sum is σ = 872402072. Its totient is φ = 872402070.

The previous prime is 872402033. The next prime is 872402117. The reversal of 872402071 is 170204278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 872402071 - 2⁹ = 872401559 is a prime.

It is a super-2 number, since 2×872402071² = 1522170746970178082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872408071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436201035 + 436201036.

It is an arithmetic number, because the mean of its divisors is an integer number (436201036).

Almost surely, 2^872402071 is an apocalyptic number.

872402071 is a deficient number, since it is larger than the sum of its proper divisors (1).

872402071 is an equidigital number, since it uses as much as digits as its factorization.

872402071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 872402071 is about 29536.4532569501. The cubic root of 872402071 is about 955.5180512086.

The spelling of 872402071 in words is "eight hundred seventy-two million, four hundred two thousand, seventy-one".